/Engine/Plugins/Runtime/nDisplay/Source/DisplayCluster/Public/Render/Viewport/IDisplayClusterViewport_CustomPostProcessSettings.h
Add custom postprocess.
void AddCustomPostProcess ( const [ERenderPass](API\Plugins\DisplayCluster\Render\Viewport\IDisplayClusterV-\ERenderPass) InRenderPass, const [FPostProcessSettings](API\Runtime\Engine\Engine\FPostProcessSettings) & InSettings, float BlendWeight, bool bSingleFrame )